Keyboard amps

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Keyboard amps

Postby Veracohr » Wed Dec 21, 2016 6:20 am

Do any of you use keyboard amps? I'm going to start jamming with a drummer friend & decided I could use a keyboard amp. So I'm building one for myself.

My question is: would 50W be enough for a smallish practice space with the drummer being the only other instrument? I haven't really played with other people much so I'm not up on these things. Originally I was designing it as 50W into 8 ohms or 100W into 4 ohms, then thought that might be overkill. I can save some money on the power transformer by making it 50W into 4 ohms.
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Re: Keyboard amps

Postby ClavAnother » Wed Dec 21, 2016 12:39 pm

50w from a tube amp might be doable. 200w solid state is the min. A 500w PA is better. Turning down is always an option, not being able to turn up kills a jam. If you want to move bass frequencies, you need power
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Re: Keyboard amps

Postby soundwave106 » Wed Dec 21, 2016 4:33 pm

When I did the gig thing, I used a 300W Mackie SRM 450 (V1), which is a PA speaker, not a keyboard amp. It was enough to be a decent stage monitor. It was *not* loud enough to replace a stage or practice room PA.

Mind you, we were a punk-style rock band, and my keys had to compete with full-on drumming and a very loud guitar.

In your case I'd say it depends on the style of the drummers. Drums can get *very* loud if we're talking about full-on rock bashing. If it's a softer style (like say jazz) you can get away with less volume.
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Re: Keyboard amps

Postby christianrock » Wed Dec 21, 2016 7:09 pm

I used that Roland 500W amp a few times. Other than the sound being pretty meh, it seemed to have enough power.

I think it's one of the lower cost options...
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Re: Keyboard amps

Postby Veracohr » Wed Dec 21, 2016 7:30 pm

Well damn, so much for saving some money. To begin with I'll be using my crappy little guitar amp, so I'll try to judge from that how much more power I need. Thanks!
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Re: Keyboard amps

Postby ClavAnother » Wed Dec 21, 2016 8:03 pm

I gig with a motion sound pro-145 which is around 200w and I never have any problems
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Re: Keyboard amps

Postby midinut » Wed Dec 21, 2016 10:30 pm

I used a little Behringer B212a, which you can find used for $100-150 I believe, for many years of gigging. It actually sounded amazingly good for so cheap. Last year I bought one of them CPS SpaceStation v3 amplifiers which I absolutely love. They're a wee pricey at $800, but you may be able to find a deal on a used one.
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